MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5111a8cb2ad774437f4c7e49e57f936188943f9819741754ae3ccc5fe02fc50. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: f5111a8cb2ad774437f4c7e49e57f936188943f9819741754ae3ccc5fe02fc50
SHA3-384 hash: 9a8dce63fee6f0e047a4439291c4dc22811a791589d8cab76b6af03261f41463b03b5ebb3397116a6a5fad6729ce9fb2
SHA1 hash: 321ea4228f13cf39458031650a113b8304728b24
MD5 hash: c52ea876f58edb9e098c468246cb3c45
humanhash: hot-undress-arkansas-virginia
File name:Barisan baharu 1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:685'056 bytes
First seen:2022-05-12 22:07:51 UTC
Last seen:2022-05-15 21:15:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:fpMgHlCsDN+a1BTGSzFFZ6hCH3xGPAs1f+6YDl6BZCLJGvT6cOwRhk8lPVR6/LkC:fpM+U6cOwRPlPm2COaECPU5
Threatray 13'731 similar samples on MalwareBazaar
TLSH T16FE4BE53B119DA04C578BAF652205D9042A26E8E90B2D2F95CB037B925F73C3FE507EE
TrID 49.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
21.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.9% (.SCR) Windows screen saver (13101/52/3)
7.1% (.EXE) Win64 Executable (generic) (10523/12/4)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 0f3375cccc61338f (15 x AgentTesla, 11 x Formbook, 6 x SnakeKeylogger)
Reporter 604Kuzushi
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
311
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d7a8b14d52d652cfd0af6c27c885f6c6-sample.zip
Verdict:
Malicious activity
Analysis date:
2022-05-12 22:05:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7f327800-2000-485b-88e1-eaa54b5bf6e1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/270245/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/627d854d804c0977d3e7cd3b/reports/e301960f-4631-440e-9ec8-5fb762bbbb34/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3c7d8721-0c66-403a-a41d-877f7d4e3d38
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/993199
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 625695 Sample: Barisan baharu 1.exe Startdate: 13/05/2022 Architecture: WINDOWS Score: 100 45 www.sellloooofolk.xyz 2->45 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 13 other signatures 2->61 11 Barisan baharu 1.exe 7 2->11         started        15 explorer.exe 87 2->15         started        signatures3 process4 file5 37 C:\Users\user\AppData\...QyYcpnwDWcoG.exe, PE32 11->37 dropped 39 C:\...QyYcpnwDWcoG.exe:Zone.Identifier, ASCII 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmp8A21.tmp, XML 11->41 dropped 43 C:\Users\user\...\Barisan baharu 1.exe.log, ASCII 11->43 dropped 63 Adds a directory exclusion to Windows Defender 11->63 17 RegSvcs.exe 11->17         started        20 powershell.exe 20 11->20         started        22 schtasks.exe 1 11->22         started        signatures6 process7 signatures8 47 Modifies the context of a thread in another process (thread injection) 17->47 49 Maps a DLL or memory area into another process 17->49 51 Sample uses process hollowing technique 17->51 53 2 other signatures 17->53 24 explorer.exe 17->24 injected 26 conhost.exe 20->26         started        28 conhost.exe 22->28         started        process9 process10 30 colorcpl.exe 24->30         started        signatures11 65 Modifies the context of a thread in another process (thread injection) 30->65 67 Maps a DLL or memory area into another process 30->67 69 Tries to detect virtualization through RDTSC time measurements 30->69 33 cmd.exe 1 30->33         started        process12 process13 35 conhost.exe 33->35         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f5111a8cb2ad774437f4c7e49e57f936188943f9819741754ae3ccc5fe02fc50/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-25 14:41:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6uirvdfsvv3uin7uy7sj4v7zgymisq7zqgluc5kk4pgml7qc7ria._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2ac7632aac460d738f260cbc0913805ca0b3421f7e241b9708688be292600e73
Formbook
3c8c38f5165d4b2c0cd6200fe213aac210dbdda1780ece78cd46e6d6cc2020cd
Formbook
4cfa2754f65c5621cec77a0804c28092191f5d2993a49c40312c940fe2ef08c3
Formbook
ab16df3a8883b6049c041dfb010de4ca1ff8ef1ff598c46b9395833b52f78f83
Formbook
b0719b23f521e380ea76a06aaee77d34b506ef96890542072101950ccffeac32
Formbook
b28653e85b97fd93c5d893839290ff17e6a6eb748eba11c9ee11ec9884e35410
Formbook
b3d586ea6f954e72cd9c39838dece4a7e019d7f1916f0984da816d107d03ffe3
Formbook
e677af4720b0b6402c8b677265968541dfa6b57f12578f7701ac840bd1f0889f
Formbook
e740634fa7cca3715fa9eb7fa30892467e31d044ed6f661ad25dae49298862d7
Formbook
+ 13'721 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o27a rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220512-117lksdeep/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
f2ba6a96d816e53b167e062638404402f88b9aad7aa2a3694df06042df0b40cb
MD5 hash:
b27f0fa045b35b19eac5690d95dc0c8c
SHA1 hash:
026f4052e2f6c47f7e86d158ead777fa8ac514fd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/dd4c1d3c-96a4-4e5d-8de5-988601638141/
Parent samples :
b1f2e4c8fd4e084c37ec9c4b8d150e3f7248e9454198bbdef6f247167b10ca14
20ceb4d62738b1472fd88b7ea5ca3d9b1774cf1fbef328f4b349e749c68fe0b1
3d322fd54223885c018d6326ea9c24abcbe8b9bc899d73a2ea5f812b1e0d48db
e62296300e1145be5fa91fa156b072e001fbd4e17f52bf42b3522648b1379282
035dd068094e680fb06f62eb2b838b182d29df63883906f0031444f1bea56507
f5111a8cb2ad774437f4c7e49e57f936188943f9819741754ae3ccc5fe02fc50
f8b26be1aeee8799c9bf765026a5ca6e17b6e25aeff23e7cb6387ed22fbb5fc1
36e16131ddd6cacceae23ff435bbc0d9ad35b16ba8152a7a1a22a9683ab51475
bdc4cafefa90b60f8a60053bd589de648061cb51ec80dd15785746d601b1a345
SH256 hash:
09cd3bc420c8982190990a9673b58c3ab01e933dff0881f1e521d3316f1b9a6b
MD5 hash:
6933707e111286a128ad0f7fa298153f
SHA1 hash:
d1121c8bed634e9684727e8c0aad3f597b0749ad
Link:
https://www.unpac.me/results/dd4c1d3c-96a4-4e5d-8de5-988601638141/
SH256 hash:
5aba4eb536929c90f79e4e1a5279bd9416ab2ebcd04a19c076153bb5e4453ee5
MD5 hash:
1945ccd73645c5c95aeb9f18f6558e1c
SHA1 hash:
a9b5f3071b74a7bf2c974f2c3ea7c71c55340e6e
Link:
https://www.unpac.me/results/dd4c1d3c-96a4-4e5d-8de5-988601638141/
SH256 hash:
9e3da570e3269b3ab5bf7ca8a75d7da2a3f32c3baea81a1fd692bad630fa27c9
MD5 hash:
7c6fa383a95ff0f5536ca9116f75cab0
SHA1 hash:
5ae6f875bcb1c194e255ca4773af7f972b33dbbb
Link:
https://www.unpac.me/results/dd4c1d3c-96a4-4e5d-8de5-988601638141/
SH256 hash:
f5111a8cb2ad774437f4c7e49e57f936188943f9819741754ae3ccc5fe02fc50
MD5 hash:
c52ea876f58edb9e098c468246cb3c45
SHA1 hash:
321ea4228f13cf39458031650a113b8304728b24
Link:
https://www.unpac.me/results/dd4c1d3c-96a4-4e5d-8de5-988601638141/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f5111a8cb2ad/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f5111a8cb2ad774437f4c7e49e57f936188943f9819741754ae3ccc5fe02fc50

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe f5111a8cb2ad774437f4c7e49e57f936188943f9819741754ae3ccc5fe02fc50

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/270245/

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